The Waterrun Weather Forecast

    • 19
    • 21

    Shower or two

    • 16
    • 18

    Possible shower

    • 16
    • 20

    Partly cloudy

    • 17
    • 22

    Possible shower

    • 17
    • 24

    Partly cloudy

    • 17
    • 26

    Cloud clearing

    • 19
    • 29

    Partly cloudy

Today 25 Dec Sydney

Partly cloudy. Medium chance of showers, becoming less likely in the early afternoon. Winds southerly 15 to 25 km/h turning southeasterly 25 to 35 km/h in the morning.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly 15 to 25 knots, reaching up to 30 knots during the day.
Seas
1.5 to 2.5 metres.
1st Swell
Southerly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore south of Point Perpendicular.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A trough is bringing a southerly change along the northern coast today. Winds will ease and remain southerly into the weekend as a high pressure system over the Bight gradually moves east, extending a ridge along the NSW coast until early next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Waterrun Temperature Statistics View More

December Temperature

Sydney Airport (17km)

  • Lowest 2 December, 2025

    13.4 °C

  • Average December

    23.5 °C

  • Highest 19 December, 2025

    42.6 °C

Climate (2020–Present)

Sydney Airport (17km)

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  • Average Low 2020–2025

    14.8 °C

  • Average 2020–2025

    18.7 °C

  • Average High 2020–2025

    23.4 °C
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